Mutatest
7.2#1 in mutation testing toolsFree planFree planAPILinuxmacOSSelf-hosted
Visit| Fact | Mutatest | Mutode |
|---|---|---|
| Integrations | The documentation describes running test commands such as pytest and using coverage data to filter mutation targets. | The documentation describes npm installation and execution but does not list third-party service integrations. |
| Mutation operators | Supported operators include arithmetic, bitwise, Boolean, comparison, membership, identity, conditional and index mutations. | Documented operators include changing literals and conditionals, altering math operators, and removing code elements such as array elements, function arguments, lines, and switch cases. |
| Parallel execution | Multiprocessing is supported on Python 3.8; parallelization is not supported on Python 3.7. | Mutode creates project copies for concurrent mutant runners and supports configuring the number of runners. |
| Purpose | Mutatest is a diagnostic command-line tool for assessing test coverage by checking whether tests detect small code mutations. | Mutode performs mutation testing for Node.js and JavaScript. |
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Mutatest suits Python developers who want to check whether their tests detect code changes, especially when they need mutation thresholds in automated runs. It is intended for diagnostic use rather than repeated runs across an entire codebase on every commit.
Mutode suits JavaScript and Node.js developers who want mutation testing within npm projects. It fits teams reviewing test detection through configurable operators and concurrent runners.